Grant G. Zhang, Chengsi Yu, Wenlin Lee, Lixing Lao, Ke Ren, Brian M. Berman,
Involvement of Peripheral Opioid Mechanisms in Electroacupuncture Analgesia Explore-the Journal of Science and Healing. ,vol. 1, pp. 365- 371 ,(2005) ,
10.1016/J.EXPLORE.2005.06.006